/* Scoped to the visual chisel guide; the shopping catalog keeps its own layout. */
.chisel-guide{--chisel-border:#ccd3da;--chisel-paper:#f3f5f6;--chisel-yellow:#ffe137;max-width:1400px}
.chisel-guide h1{font-size:clamp(2.5rem,4.1vw,4.4rem);line-height:1.07;margin:.25em 0 .4em}
.chisel-guide h2{font-size:clamp(1.8rem,2.7vw,2.6rem);line-height:1.12;margin:.2em 0 .55em}
.chisel-guide h3{font-size:1.45rem;line-height:1.2;margin:0 0 .6em}
.chisel-guide p{line-height:1.6}.chisel-guide img{max-width:100%}
.chisel-guide-hero{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:3rem;align-items:center;margin:2rem 0}
.chisel-guide-lead{font-size:1.16rem;max-width:760px}
.chisel-guide-help{border:1px solid var(--chisel-border);border-top:5px solid var(--chisel-yellow);background:var(--chisel-paper);padding:1.5rem;border-radius:5px}
.chisel-guide-help h2{font-size:1.7rem}.chisel-guide-help p{margin:.5rem 0 1.15rem}
.chisel-guide .button{min-height:48px;font-size:1rem;white-space:normal;text-align:center;justify-content:center;gap:.5rem}
.chisel-guide .button svg{width:20px;height:20px;flex-shrink:0}
.chisel-guide-start{padding:1.5rem 0 1.25rem;border-top:1px solid var(--chisel-border)}
.chisel-guide-start>p{margin-top:0}
.chisel-guide-families{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.chisel-guide-families>a{display:flex;flex-direction:column;align-items:center;text-align:center;border:1px solid var(--chisel-border);border-bottom:5px solid var(--chisel-yellow);border-radius:6px;padding:1rem;color:#20272a;text-decoration:none;background:#fff}
.chisel-guide-families>a:hover{background:#fffbe0;border-color:#222b30}
.chisel-guide-families img{width:150px;height:170px;object-fit:contain;mix-blend-mode:multiply;margin-bottom:1rem}
.chisel-guide-families strong,.chisel-guide-families small,.chisel-guide-families b{display:block}
.chisel-guide-families>a>span{display:flex;flex-direction:column;flex:1}.chisel-guide-families b{margin-top:auto;padding-top:.25rem}
.chisel-guide-families strong{font-size:1.2rem;line-height:1.25}.chisel-guide-families small{font-size:.92rem;margin:.4rem 0;color:#49555f}.chisel-guide-families b{font-size:.95rem;text-decoration:underline;text-underline-offset:3px}
.chisel-guide-shortcuts{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;margin:1.2rem 0 0;font-size:.96rem}
.chisel-guide-section{border-top:1px solid var(--chisel-border);padding:2.5rem 0;margin-top:1rem}
.chisel-guide-section,.chisel-guide-anchor,.chisel-guide details{scroll-margin-top:1.5rem}
.chisel-guide-anchor{display:block}.chisel-guide-section-heading{max-width:890px}
.chisel-guide-note{border-left:5px solid var(--chisel-yellow);padding:1rem 1.2rem;background:#fff9da;margin:1.2rem 0 1.5rem}
.chisel-guide-retainers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}
.chisel-guide-retainer{border:1px solid var(--chisel-border);border-radius:6px;overflow:hidden}
.chisel-guide-retainer>header{padding:1.3rem 1.5rem;background:#222b30;color:#fff}.chisel-guide-retainer>header p{margin:0}.chisel-guide-retainer>header h3{margin:0 0 .4rem;color:#fff}
.chisel-guide-connection{padding:1.25rem 1.5rem;border-top:1px solid var(--chisel-border)}
.chisel-guide-connection-label{display:flex;justify-content:space-between;align-items:center;gap:1rem}
.chisel-guide-connection-label h4{font:700 1.15rem/1.4 Arial,sans-serif;margin:0;padding:.2rem .5rem;color:#20272a}
.chisel-guide-connection-label>span{font-weight:700;color:#49555f}.chisel-hex{background:#8ecf70}.chisel-round{background:var(--chisel-yellow)}
.chisel-guide-diagram{display:block;margin:.8rem 0 1rem}.chisel-guide-diagram img{display:block;width:100%;height:auto;object-fit:contain;background:white}
.chisel-guide-connection .button{width:100%}.chisel-guide-caption{font-size:.92rem;color:#4c5964;margin-top:1rem}
.chisel-guide-shanks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.chisel-guide-shanks article{display:flex;flex-direction:column;padding:1.1rem;border:1px solid var(--chisel-border);border-radius:5px}
.chisel-guide-shanks h3{font:700 1.3rem/1.3 Arial,sans-serif;margin:0;text-align:center}
.chisel-guide-shanks .chisel-guide-diagram{flex:1;display:flex;align-items:center}.chisel-guide-shanks .button{font-size:.91rem;padding:.7rem .5rem}
.chisel-guide-secondary{display:block;margin:.9rem 0 0;text-align:center;font-weight:700}
.chisel-guide-rivet{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(220px,1fr);gap:3rem;align-items:center}
.chisel-guide-rivet figure{margin:0;padding:1rem;border:1px solid var(--chisel-border);border-radius:5px;text-align:center}
.chisel-guide-rivet figure img{width:100%;height:230px;object-fit:contain}.chisel-guide-rivet figcaption{font-size:.92rem;color:#4c5964}
.chisel-guide-tips{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.2rem;margin-top:1.5rem}
.chisel-guide-tips article{border:1px solid var(--chisel-border);border-radius:5px;padding:1.2rem}
.chisel-guide-tips img{width:100%;height:170px;object-fit:contain;display:block;margin:0 0 1rem}.chisel-guide-tips p{font-size:.97rem;margin-bottom:0}
.chisel-guide-length{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,1fr);gap:3rem}
.chisel-guide-length aside{background:var(--chisel-paper);padding:1.5rem;border-left:5px solid var(--chisel-yellow)}
.chisel-guide-length ol{padding-left:1.3rem}.chisel-guide-length li{margin:.6rem 0;line-height:1.5}
.chisel-guide .bits-guide-disclosure{margin-top:1.3rem}.chisel-guide .bits-guide-disclosure>summary{cursor:pointer;padding:1.1rem;border:1px solid var(--chisel-border);background:var(--chisel-paper);font-weight:700}
.chisel-guide .bits-guide-disclosure[open]>summary{border-bottom:4px solid var(--chisel-yellow)}
.chisel-guide-footer{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);gap:2rem;align-items:center;margin:1rem 0 2rem}.chisel-guide-footer .button{width:100%}
.chisel-guide a:focus-visible,.chisel-guide summary:focus-visible{outline:3px solid #245b91;outline-offset:4px}
@media(max-width:1000px){.chisel-guide-hero{gap:1.5rem}.chisel-guide-shanks{grid-template-columns:repeat(2,minmax(0,1fr))}.chisel-guide-tips{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.chisel-guide-hero,.chisel-guide-length,.chisel-guide-rivet,.chisel-guide-footer{grid-template-columns:1fr;gap:1.2rem}.chisel-guide-hero{margin:1.5rem 0}.chisel-guide-families{grid-template-columns:repeat(2,minmax(0,1fr))}.chisel-guide-retainers{grid-template-columns:1fr}.chisel-guide-families img{height:130px;width:110px}.chisel-guide-families>a{padding:.8rem}.chisel-guide-families strong{font-size:1.1rem}.chisel-guide-families small{font-size:.85rem}.chisel-guide-section{padding:2rem 0}.chisel-guide-connection{padding:1.1rem}.chisel-guide-rivet figure img{height:190px}.chisel-guide-help{padding:1.2rem}}
@media(max-width:440px){.chisel-guide-shanks,.chisel-guide-tips{grid-template-columns:1fr}.chisel-guide-shanks .chisel-guide-diagram img{max-height:260px}.chisel-guide-families b{font-size:.85rem}.chisel-guide h1{font-size:2.65rem}}